Mirror
/
ardupilot
mirror of https://github.com/ArduPilot/ardupilot
5
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

AP_Math: avoid double maths when not needed

This commit is contained in:
Andrew Tridgell 2018-05-05 08:10:30 +10:00
parent c4fafa490f
commit d4d7d1f734
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libraries/AP_Math/AP_Math.cpp
View File

@ -23,11 +23,13 @@ template <typename Arithmetic1, typename Arithmetic2>
typename std::enable_if<std::is_floating_point<typename std::common_type<Arithmetic1, Arithmetic2>::type>::value, bool>::type
is_equal(const Arithmetic1 v_1, const Arithmetic2 v_2)
{
#ifdef ALLOW_DOUBLE_MATH_FUNCTIONS
typedef typename std::common_type<Arithmetic1, Arithmetic2>::type common_type;
typedef typename std::remove_cv<common_type>::type common_type_nonconst;
if (std::is_same<double, common_type_nonconst>::value) {
return fabs(v_1 - v_2) < std::numeric_limits<double>::epsilon();
}
#endif
return fabsf(v_1 - v_2) < std::numeric_limits<float>::epsilon();
}